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NeX [460]
2 years ago
6

3b - 13 + 4b = 7b + 1

Mathematics
1 answer:
-BARSIC- [3]2 years ago
3 0

Answer:

There is no solution

Step-by-step explanation:

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Write the number as an improperios fraction, 10 3/4
trapecia [35]
10 3/4

10 x 4 = 40
40 + 3 = 43

43/4 is your answer

Hope this helps
3 0
3 years ago
Anthony sold 45 tickets to the school play and Katy sold 40 tickets. What is the ratio of the number of tickets Anthony sold to
Sindrei [870]

Answer:

the answer is 40:45

Step-by-step explanation:

i did the test and got it right

3 0
2 years ago
How many different five-member teams can be made from a group of 17 people?
goblinko [34]

Answer:

3, with 2 people left over

3 0
2 years ago
According to the document Current Population Survey, published by the U.S. Census Bureau, 30.4% of U.S. adults 25 years old or o
Marizza181 [45]

Answer:

0.0803 = 8.03% probability that the number who have a high school degree as their highest educational level is exactly 32.

Step-by-step explanation:

For each adult, there are only two possible outcomes. Either they have a high school degree as their highest educational level, or they do not. The probability of an adult having it is independent of any other adult. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

30.4% of U.S. adults 25 years old or older have a high school degree as their highest educational level.

This means that p = 0.304

100 such adults

This means that n = 100

Determine the probability that the number who have a high school degree as their highest educational level is a. Exactly 32

This is P(X = 32).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 32) = C_{100,32}.(0.304)^{32}.(0.696)^{68} = 0.0803

0.0803 = 8.03% probability that the number who have a high school degree as their highest educational level is exactly 32.

7 0
2 years ago
5ab^2 - 12a^2b + 3ab + ab^2 + 4a^2b
Natali [406]
By combining like terms, the answer is a
8 0
2 years ago
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